this law doesn't change that but makes the process tougher. parents will have to get a signature from a licensed health care practitioner first. >> we want the real facts rather than things they hear from the internet or friends and family. >> reporter: the director of the department of pediatrics at valley medical center is pleased with the new law but also surprised. at the last moment, governor brown added an exemption, religion. parents with religious beliefs ruling out vaccinations don't have to jump through the hoop. >> perhaps with the new exemption, it will not be as effective. >> reporter: this new mom thinks it's a good idea. >> the new law takes effect in 2014. washington state implemented a similar law last year, and health officials there say fewer parents are opting out. >>> paul, it's october 1 and blazing hot. where was this like three months ago? >> exactly. where was this during summer? this day eclipses every day we had for the entire summer, and yes, the calendars october, and the rent is due, and you are probably wearing a